<!--
 * @Description: 监测月报
 * @Author: Ronda
 * @Date: 2022-02-16 09:30:08
 * @LastEditors: Ronda
 * @LastEditTime: 2022-05-23 15:20:05
-->
<template>
  <div>
    <el-row>
      <el-col :span="4">
        <div class="empData" style="padding-right:10px;border-right:1px solid #ccc;height:calc(100vh - 60px)">
          <el-input placeholder="输入关键字进行过滤" v-model="filterText">
          </el-input>
          <el-tree @node-click="handlerClick" class="filter-tree" :data="data" :props="defaultProps" :filter-node-method="filterNode" ref="tree">
          </el-tree>
        </div>
      </el-col>
      <el-col :span="20">
        <div v-if="params.device_id" class="table" style="margin-left:10px">
          <!-- 时间日期选择器 + 搜索按钮 -->
          <div class="header">
            <!-- value-format="timestamp" 将当前时间转换为时间戳 -->
            {{ params.timer }}
            <el-date-picker 
            value-format="timestamp"
            v-model="params.timer" type="datetimerange" :picker-options="pickerOptions"
              range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" align="right">
            </el-date-picker>
            <el-button type="primary" @click="toSearch">搜索</el-button>
          </div>
          <!-- 表格数据 -->
          <div class="content">
            <el-table :data="empData" style="width: 100%">
              <el-table-column prop="insert_time" label="日期" width="180">
                <template slot-scope='scope'>
                  <div>
                    {{ scope.row.insert_time | fmtDate}}
                  </div>
                </template>
              </el-table-column>
              <el-table-column prop="tsp" label="tsp" width="180">
              </el-table-column>
              <el-table-column prop="pm10" label="pm10">
              </el-table-column>
              <el-table-column prop="pm25" label="pm25">
              </el-table-column>
              <el-table-column prop="temperature" label="温度">
              </el-table-column>
              <el-table-column prop="humidity" label="湿度">
              </el-table-column>
              <el-table-column prop="wind_direction" label="风向">
              </el-table-column>
              <el-table-column prop="wind_speed" label="风速">
              </el-table-column>
            </el-table>
          </div>
        </div>
        <div v-else style="color:red;text-align:center">请选择设备</div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { get } from '@/utils/request'
export default {
  data() {
    return {
      // 设备采集的数据
      empData:[],
      // 过滤文本
      filterText: '',
      // 树形结构数据源
      data: [],
      // 树形结构配置项
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      // 时间日期选择器配置项
      pickerOptions: {
        shortcuts: [{
          text: '最近一周',
          onClick(picker) {
            const end = new Date();
            const start = new Date();
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 7);
            picker.$emit('pick', [start, end]);
          }
        }, {
          text: '最近一个月',
          onClick(picker) {
            const end = new Date();
            const start = new Date();
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
            picker.$emit('pick', [start, end]);
          }
        }, {
          text: '最近三个月',
          onClick(picker) {
            const end = new Date();
            const start = new Date();
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
            picker.$emit('pick', [start, end]);
          }
        }]
      },
      params: {
        page: 1,
        pageSize: 10,
        engineer_id: "",
        device_id: ""
      }
    };
  },
  watch: {
    // 监听文本进行过滤 
    filterText(val) {
      this.$refs.tree.filter(val);
    }
  },
  computed: {},
  methods: {
    toSearch(){
      this.getEmpData();
    },
    // 点击树形节点
    handlerClick(data){
      // data 点击工程 data---工程数据 children
      // data 点击设备 data---设备数据 没有children
      // 判断点击的是设备
      if(!data.children){
        this.params.engineer_id = data.engineer_id;
        this.params.device_id = data.id;
      }
      this.getEmpData();
    },
    // 获取工程设备采集的数据--右侧数据
    async getEmpData(){
      // params page pageSize device_id e_id
      // 判断时间日期是否被选择 
      if(this.params.timer){
        this.params.begin_time = this.params.timer[0];
        this.params.end_time = this.params.timer[1];
        delete this.params.timer
      }
      let res = await get('/monitor/pageQuery',this.params);
      this.empData = res.data.list;
    },
    // 获取工程设备 --左侧用到数据
    async loadEmpData() {
      let res = await get('/engineer/findEngineerDeviceTree');
      this.data = res.data;
    },
    // 过滤节点的方法
    filterNode(value, data) {
      if (!value) return true;
      // return data.label.indexOf(value) !== -1;
      return data.name.indexOf(value) !== -1;
    }
  },
  created() {
    this.loadEmpData();
    this.getEmpData();
  },
  mounted() { },
};
</script>
<style scoped></style>